<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>layui</title>
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <link rel="stylesheet" href="/lib/layui-v2.6.3/css/layui.css" media="all">
    <link rel="stylesheet" href="/css/public.css" media="all">
    <style>
        body {
            background-color: #ffffff;
        }
    </style>
</head>
<body>
<div class="layui-form layuimini-form">

    <div class="layui-form-item">
        <label class="layui-form-label">ID</label>
        <div class="layui-input-block">
            <input type="text" name="id" id="textId" disabled class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label required">留言用户</label>
        <div class="layui-input-block">
            <input type="text" name="username" disabled id="username" lay-verify="required" lay-reqtext="年级名称不能为空"
                   placeholder="请输入用户名"
                   value="" class="layui-input">
        </div>
    </div>

    <div class="layui-form-item layui-form-text">
        <label class="layui-form-label">留言内容</label>
        <div class="layui-input-block">
            <textarea name="messageContent" id="messageContent" class="layui-textarea"></textarea>
        </div>
    </div>

    <div class="layui-form-item">
        <div class="layui-input-block">
            <button class="layui-btn layui-btn-normal" lay-submit lay-filter="saveBtn">确认保存</button>
        </div>
    </div>
</div>
</div>

<script src="/lib/layui-v2.6.3/layui.js" charset="utf-8"></script>
<!--引入jquery-->
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script>

    <!--    通过table中传来的id，再通过id从数据库中取出全部信息、然后填充。（vue中，可以直接把整个表单传到模态框中、不需要查询）-->
    $(function () {
        //js获取url中的参数
        function GetQueryString(name) {
            var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
            var r = window.location.search.substr(1).match(reg);
            if (r != null) return decodeURI(r[2]);
            return null;
        }

        var id = GetQueryString('id');
        var username = GetQueryString('username');
        var messageContent = GetQueryString('messageContent');
        //把id设置一下，区分新增和更新。（新增是没有id的）
        $("#textId").val(id);
        $("#username").val(username);
        $("#messageContent").text(messageContent);
    })


    //注册表单事件
    layui.use(['form'], function () {
        var form = layui.form,
            layer = layui.layer,
            $ = layui.$;

        //监听提交
        form.on('submit(saveBtn)', function (data) {
            $.ajax({
                url: "/message/saveOrUpdate",
                type: "post",
                data: JSON.stringify(data.field),
                contentType: "application/json;charset=UTF-8",
                success: function (resp) {
                    if (resp.code == 200) {
                        layer.msg("更新成功")
                        window.parent.location.reload();
                    }
                }
            })
            var iframeIndex = parent.layer.getFrameIndex(window.name);
            parent.layer.close(iframeIndex);
        });

    });
</script>
</body>
</html>
